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Reliability and practice effect in the O'Connor wiggly block test

Remmers, H. H., Smith, J. M.

Journal of Applied Psychology · 1935 · Volume 20 · Issue 5

DOI: 10.1037/h0054862

Abstract

Intercorrelations of scores on the wiggly block test for 96 engineering subjects reveal little change after ten consecutive trials. Odd-even reliability for ten trials is .79. Descriptive geometry marks correlate .30 with average test score on the wiggly block. (PsycInfo Database Record (c) 2025 APA, all rights reserved)

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